--- a/jdk/src/java.desktop/macosx/classes/com/apple/laf/AquaMenuUI.java	Thu Mar 05 11:07:48 2015 +0300
+++ b/jdk/src/java.desktop/macosx/classes/com/apple/laf/AquaMenuUI.java	Fri Mar 06 16:38:54 2015 +0300
@@ -148,11 +148,15 @@
 
             // In Aqua, we always have a menu delay, regardless of where the menu is.
             if (!(selectedPath.length > 0 && selectedPath[selectedPath.length - 1] == menu.getPopupMenu())) {
-                if (menu.getDelay() == 0) {
-                    appendPath(getPath(), menu.getPopupMenu());
-                } else {
-                    manager.setSelectedPath(getPath());
-                    setupPostTimer(menu);
+                // the condition below prevents from activating menu in other frame
+                if (!menu.isTopLevelMenu() || (selectedPath.length > 0 &&
+                        selectedPath[0] == menu.getParent())) {
+                    if (menu.getDelay() == 0) {
+                        appendPath(getPath(), menu.getPopupMenu());
+                    } else {
+                        manager.setSelectedPath(getPath());
+                        setupPostTimer(menu);
+                    }
                 }
             }
         }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/JMenu/8072900/WrongSelectionOnMouseOver.java	Fri Mar 06 16:38:54 2015 +0300
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+@test
+@bug 8072900
+@summary Mouse events are captured by the wrong menu in OS X
+@author Anton Nashatyrev
+@run main WrongSelectionOnMouseOver
+*/
+
+import javax.swing.*;
+import javax.swing.event.MenuEvent;
+import javax.swing.event.MenuListener;
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import static javax.swing.UIManager.getInstalledLookAndFeels;
+
+public class WrongSelectionOnMouseOver implements Runnable {
+
+    CountDownLatch firstMenuSelected = new CountDownLatch(1);
+    CountDownLatch secondMenuMouseEntered = new CountDownLatch(1);
+    CountDownLatch secondMenuSelected = new CountDownLatch(1);
+
+    JMenu m1, m2;
+
+    private UIManager.LookAndFeelInfo laf;
+    JFrame frame1;
+    JFrame frame2;
+
+    public WrongSelectionOnMouseOver(UIManager.LookAndFeelInfo laf) throws Exception {
+        this.laf = laf;
+    }
+
+    private void createUI() throws Exception {
+        System.out.println("Testing UI: " + laf);
+        UIManager.setLookAndFeel(laf.getClassName());
+
+        {
+            frame1 = new JFrame("Frame1");
+            JMenuBar mb = new JMenuBar();
+            m1 = new JMenu("File");
+            JMenuItem i1 = new JMenuItem("Save");
+            JMenuItem i2 = new JMenuItem("Load");
+
+            m1.addMenuListener(new MenuListener() {
+                @Override
+                public void menuSelected(MenuEvent e) {
+                    firstMenuSelected.countDown();
+                    System.out.println("Menu1: menuSelected");
+                }
+
+                @Override
+                public void menuDeselected(MenuEvent e) {
+                    System.out.println("Menu1: menuDeselected");
+                }
+
+                @Override
+                public void menuCanceled(MenuEvent e) {
+                    System.out.println("Menu1: menuCanceled");
+                }
+            });
+
+            frame1.setJMenuBar(mb);
+            mb.add(m1);
+            m1.add(i1);
+            m1.add(i2);
+
+            frame1.setLayout(new FlowLayout());
+            frame1.setBounds(200, 200, 200, 200);
+
+            frame1.setVisible(true);
+        }
+
+        {
+            frame2 = new JFrame("Frame2");
+            JMenuBar mb = new JMenuBar();
+            m2 = new JMenu("File");
+            JMenuItem i1 = new JMenuItem("Save");
+            JMenuItem i2 = new JMenuItem("Load");
+
+            m2.addMouseListener(new MouseAdapter() {
+                @Override
+                public void mouseEntered(MouseEvent e) {
+                    secondMenuMouseEntered.countDown();
+                    System.out.println("WrongSelectionOnMouseOver.mouseEntered");
+                }
+            });
+
+            m2.addMenuListener(new MenuListener() {
+                @Override
+                public void menuSelected(MenuEvent e) {
+                    secondMenuSelected.countDown();
+                    System.out.println("Menu2: menuSelected");
+                }
+
+                @Override
+                public void menuDeselected(MenuEvent e) {
+                    System.out.println("Menu2: menuDeselected");
+                }
+
+                @Override
+                public void menuCanceled(MenuEvent e) {
+                    System.out.println("Menu2: menuCanceled");
+                }
+            });
+
+            frame2.setJMenuBar(mb);
+            mb.add(m2);
+            m2.add(i1);
+            m2.add(i2);
+
+            frame2.setLayout(new FlowLayout());
+            frame2.setBounds(400, 200, 200, 200);
+
+            frame2.setVisible(true);
+        }
+    }
+
+    public void disposeUI() {
+        frame1.dispose();
+        frame2.dispose();
+    }
+
+    @Override
+    public void run() {
+        try {
+            if (frame1 == null) {
+                createUI();
+            } else {
+                disposeUI();
+            }
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void test() throws Exception {
+        Robot robot = new Robot();
+        robot.setAutoDelay(100);
+
+        robot.waitForIdle();
+
+        robot.mouseMove((int) m1.getLocationOnScreen().getX() + 5,
+                (int) m1.getLocationOnScreen().getY() + 5);
+        robot.mousePress(MouseEvent.BUTTON1_MASK);
+        robot.mouseRelease(MouseEvent.BUTTON1_MASK);
+
+        if (!firstMenuSelected.await(5, TimeUnit.SECONDS)) {
+            throw new RuntimeException("Menu has not been selected.");
+        };
+
+        robot.mouseMove((int) m2.getLocationOnScreen().getX() + 5,
+                (int) m2.getLocationOnScreen().getY() + 5);
+
+        if (!secondMenuMouseEntered.await(5, TimeUnit.SECONDS)) {
+            throw new RuntimeException("MouseEntered event missed for the second menu");
+        };
+
+        if (secondMenuSelected.await(1, TimeUnit.SECONDS)) {
+            throw new RuntimeException("The second menu has been selected");
+        };
+    }
+
+    public static void main(final String[] args) throws Exception {
+        for (final UIManager.LookAndFeelInfo laf : getInstalledLookAndFeels()) {
+            WrongSelectionOnMouseOver test = new WrongSelectionOnMouseOver(laf);
+            SwingUtilities.invokeAndWait(test);
+            test.test();
+            SwingUtilities.invokeAndWait(test);
+        }
+        System.out.println("Test passed");
+    }
+}
\ No newline at end of file